#distributed-systems

Apache ZooKeeper

Kubernetes controller for managing instances of SpiceDB

The Linux of AI - an open, federated, self-hosted AI operating system. Humans, AI agents, and local LLMs share apps, knowledge, and capabilities on nodes you own. MIT.

Documentation tool built for software architecture. Document your domains, services, events and schemas — for your teams and your AI agents.

Distributed, self-hostable uptime monitoring: 40 check types, multi-region workers, private agents, status pages, incidents and on-call escalation — in a single Go binary.

Privacy-Preserving Bitcoin Light Client

Fault tolerance for PyTorch (HSDP, LocalSGD, DiLoCo, Streaming DiLoCo)

⚙️ Better Cron — distributed job scheduling platform built in Rust

Easily switch between alternative low-cost AI models in Claude Code/Agent SDK. For those comfortable using Claude agents and commands, it lets you take what you've created and deploy fully hosted agents for real business purposes. Use Claude Code to get the agent working, then deploy it in your favorite cloud.

Multi‑language event‑driven microservices framework with built‑in Zod validation and type‑safe events. Runs anywhere — from embedded devices and routers to clustered servers. Pluggable architecture, secure‑by‑default, production‑ready.

Python client and worker SDK for Durable Workflow Cloud and self-hosted Server

Stateful actors on Apache Flink 2.x and Java 21 — durable per-key state, exactly-once messaging, Kafka and Kinesis I/O, Kubernetes-native deployment. Continues the Apache Stateful Functions programming model on the modern Flink line.

Provider-neutral control plane for durable-state agent swarms: subprocess workers, leases, artifacts, memory, and deterministic stitching.

Restate SDK for JVM Languages

ScaleCube Cluster is a lightweight Java VM implementation of SWIM: Scalable Weakly-consistent Infection-style Process Group Membership Protocol. features cluster membership, failure detection, and gossip protocol library

Spacedrive is an open source cross-platform file explorer, powered by a virtual distributed filesystem written in Rust.